Roller-bearing.



W. F. WIT

' ROLL l- APPLICATION ,19ll.

1,141,743. Patented J 11110 1, 1915.

wih/wowo UNITED STATES PATENT OFFICE.

WILLIAM F. WITTIQH, OF ERIE, PENNSYLVANIA.

ROLLER-BEARING.

Application filed m a, 1911. Serial n6. 836.706.

To all ibhom it may concern Be itknown that I, WILLIAM F. WrrrIoH, acitizen of the United States, residing at Erie, in the county of Erieand State of Pennsylvania, have invented new and useful Improvements inRoller-Bearings, of which the following is a specification.

This invention relates to roller bearings, and consists in certainimprovements in the construction-thereof as will be hereinafter fullydescribed and pointed out in the claim. i

The invention is illustrated in the accompanying drawings as follows:

Figure 1 shows a side elevation of the bearing with a side plate removedto better show construction. Fig. 2 a section on the line 22 in Fig. 1.

As sh n the bearing is arranged with rotary cutters in connection withboring or tunneling machines.

1 marks the shaft on which the bearing is mounted, 2 a roller bearingring next to the shaft, 3 a floating ring, 4- a second roller bearingring, 5 a tool bearing ring, and 6 tools mounted on the tool bearingring.

Pins 7 extend through the rings 2, forming bearing pins at each side ofthe ring 2,

the axes of the pins 7 being in an axial the bearing. On each side ofthe ring 2 are cars 9. The pins extend through these Specificationofletters Patent.

Patented June 1, 1915.

ears in a radial direction (see dotted lines) and rollers 10 arearranged on the ends of the pins. These rollers are of 'a size to extendslightly beyond the floating ring 3, or immediate surfaces so as totake;

the end thrust of the bearing.

a The ring 4.- is of similar construction as the ring 2. It is providedwith the pins 11 In a roller bearing, the combination of outer and innerwalls; a roller carrying ring next-to the inner wall; a roller carry ngring next to the outer wall; an interposed fl0at-' ing ring; and rollersmounted on each side of said roller carrying rings with their axesextending in'an axial direction relatively to the bearing and engagingsaid walls and said floating ring, said roller carrying rings havingrollers mounted thereon with their axes extending in a radial direction.

In testimony whereof I have hereunto set my hand in the presence of twosubscribing witnesses.

WILLIAM F. WITTICH. Witnesses:

B. M. HArrMAN, VINNIE Hess.

